Attended Highland Park High School, Dallas, Texas. Graduated 1968.
During her high school years, she was a regular on a teen T.V. show, "Somethin' Else", which was telecast on the local ABC affiliate station in Dallas, WFAA-TV.
Husband Douglas J. Frye is a practicing attorney and partner in the law firm of Frye and Hsieh in Los Angeles.
In September, 2008 Prather was charged with felony hit-and-run in Malibu, California; she was arrested and released on $50,000 dollars bail.
Joan is the half-sister of bestselling self-help author Hugh Prather (1938-2010).
She recruited John Travolta to Scientology.
Varsity cheerleader at Highland Park High School.